200805331 九、發明說明： 【發明所屬之技術領域】 全像儲存媒體之閱讀裝置。储存媒體。本發明又關於此種 【先前技術】 提高光學儲存媒體容量之一 t:在此情況下’全像儲存媒體的容nc 不是以單-位元儲存，而是做已°此外’貧料 頁是由光/暗圖型的矩陣讀頁儲存。典型上，資料 加儲存密度外’還可達成增數舉除增 束間的角度，或使用移位多工制可月"性’例如改變二光 在全像資料儲存中，數位杳袓9 束重疊產生的干擾圖型加以; 利駿間光調變器加以調變，並帶= 殊性能之:變先=====材料特 閱讀，μ是以參考光束，使用記錄時同樣ί件所 :物:光束之重構。按照-全像儲;策i ί ^物先束疋在透射中閱讀（透射型全像儲存媒 ，在全像儲存媒體的兩侧，需要光學系’不 ^朿 而早光學系統。為此目的，全像儲存媒體的德 層。i構^t由此鏡層反射，可所鏡 束之讀出。當干擾光束為球形波時，更如此，人 度範圍。此外’在記錄之際，參考光束二 200805331 此項效顧掉沒有實際記錄資料的儲 3 考光束和重構物光束間干擾之-項已知解決方荦 二。達柳_鏡。齡，此為設計 焦點遽光，以夹例ίΕΡ 1 080 466 B1，應用其 雜。 p制> 考先束。然而，欲使光學設置更形複 【發明内容】 光束議—種全像儲存_，避免參考 在及明’此目的之達成是利用—種全像儲存媒體， 在反射層頂面有全像儲存層，其中反 射區難光束__枝絲^、。卜㈣和反 光程擾亂重構光束和/或照明全像儲存材料之 業。首先，，光束重構後，參考光束不與重 於全像儲存觀，科會干擾物光束。所 料。不㈣邛伤消耗全像儲存材料之動能範圍，而不儲存資 可辟ϊίΐΐ:全像儲存層和反射層間配置有隔離層。如此 “ί距離和重構物光束光程之分離，得以增加反射層 及钟層宜配置在全像儲存層在記錄全像圖區之旁。對 體的存媒體而言’若參考光束的光軸就全像儲存媒 則此項配置特別適當。在此情況下，重構物 200805331 光束的光軸不是垂直於表面，便是也是傾斜。另外，非反射 區配置在全像儲存媒體記錄全像圖區之下方。若參考光束的 光軸垂直於全像儲存媒體表面，則此項配置特別適用。在此 情況下，重構物光束的光軸就表面傾斜。對透射型全像儲存 媒體而言，當重構物光束的光轴垂直於全像儲存媒 面 透明區即配置在全像儲存層記錄全像圖區之下方面告 重構物光束就全像儲存媒體表面傾斜，則透明區配置 = 儲存層記錄區之旁。 m 碑形:全像細體為碟形儲存媒體。 呆办王像储存媒體的優點是，可用於全像儲存裝置，豹 時光學儲存媒體，諸如微型光碟（cd)、^位 衰會螺旋。_包含複數個別非反射區，配“ .壤或螺旋。個別可例如為圓形或長方形區。成 在此明另—要旨’全像儲存媒體為卡型儲存嬋體。 ί此情況下’非反射區排列，或複數個別非反射成 在本發明全像儲存媒體閱 發生的參考光束配置成相對於重么 置中，先源所 不是參考光束碰到反射層的先，光程傾斜，使得 反射層的非反射區。在丄情、兄射便是重構物光束碰到 或修，不違^發明之範^ 【實施方式】 在全像資料儲存器内，叙k4 200805331 體=，發出光束3，利用準直透鏡4加以準直。光束3再分成 一分開光束7,8。在此例中，光束3是使用分光器5達成分 離。然而，亦可使用其他光學組件於此目 (㈣）6,把二光束之-，所謂「物光束」7，加以^了 印出_一維度資料圖型。物光束7和另一光束，所謂參考光束 8，一者均利用物鏡9聚焦在全像儲存媒體1〇上，例如全像 ，片或卡。在物光束7和參考光束8交會處，出現干擾圖 型，記錄在全像儲存媒體10的光敏層上。 ，記錄全像圖僅用參考光束8照射，將所儲存資料從全 ίίΐ舰1G檢復。參考光束8被全像結構繞射，產生原有 Ϊίΐ 7之複本’即重構物光束11 °此重構物光* 11利用 =9加?準直^用第二分光器12引導在二維度陣列檢測 i構例如 陣列。陣列檢測器13得以把所記錄資料 圖表示本發明碟形全像儲存媒體1〇。全像圖Μ以 。可使料#多工制方法，諸如移位多_或200805331 IX. Description of the invention: [Technical field to which the invention pertains] A reading device for a holographic storage medium. Storage media. The present invention is also related to such a [prior art] increasing the capacity of the optical storage medium t: in this case, the capacity nc of the holographic storage medium is not stored in a single-bit, but is done in addition to the 'poor page' Stored by a matrix of light/dark patterns. Typically, the data plus the storage density can also be used to increase the angle between the additions, or use the shift multiplex system to make the month "sexuality, for example, change the second light in the holographic data storage, digital 杳袓9 Interference pattern generated by beam overlap is added; Lijun inter-modulation modulator is modulated, and with special performance: change first ===== material special reading, μ is reference beam, use the same record when using : Object: Reconstruction of the beam. According to the - full image storage; policy i ί ^ first 疋 疋 reading in transmission (transmission type holographic storage medium, on both sides of the holographic storage medium, the optical system is required) The eigenimage storage medium's German layer. The i structure ^t is reflected by the mirror layer, and can be read by the mirror beam. When the interference beam is a spherical wave, it is more so, the range of humanity. In addition, at the time of recording, reference Beam II 200805331 This effect takes into account the fact that there is no actual recorded data between the 3 test beam and the reconstructed beam interference - the term is known to solve the problem. Daliu _ mirror. Age, this is the design focus Twilight, to clip Example ΕΡ 1 080 466 B1, apply its miscellaneous. p system > test the first bundle. However, to make the optical settings more complex [invention] beam discussion - holographic storage _, avoid reference to and The realization is to use a holographic storage medium, and a holographic storage layer on the top surface of the reflective layer, wherein the reflective region is difficult to __ 枝 丝 , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , First, after the beam is reconstructed, the reference beam is not more important than the full image. If you look at it, the section will interfere with the beam of material. No. (4) The kinetic energy range of the holographic storage material is consumed without damage. The holographic storage layer and the reflective layer are provided with an isolation layer. The separation of the optical path of the reconstructed beam can be increased. The reflective layer and the clock layer should be disposed in the holographic storage layer next to the recorded hologram area. For the storage medium of the body, the optical axis of the reference beam is stored as a whole image. This configuration is particularly appropriate for the medium. In this case, the optical axis of the reconstructed object 200805331 is not perpendicular to the surface, but is also inclined. In addition, the non-reflective area is disposed below the holographic storage medium recording hologram area. This configuration is particularly useful if the optical axis of the reference beam is perpendicular to the holographic storage medium surface. In this case, the optical axis of the reconstructed beam is tilted on the surface. For transmissive holographic storage media, when reconstructed The optical axis of the object beam is perpendicular to the holographic storage medium transparent area, that is, disposed under the holographic storage layer recording hologram area. The reconstructed object beam is tilted like the storage medium surface, and the transparent area configuration = storage layer Beside the recording area m. Monument: The hologram is a dish-shaped storage medium. The advantage of the storage medium is that it can be used for holographic storage devices, leopard optical storage media, such as micro-discs (cd), ^ The bit fading will be spiral. _ contains a plurality of individual non-reflective areas, with "." or a spiral. Individuals can be, for example, circular or rectangular areas. In this case, the essence is that the holographic storage medium is a card-type storage carcass. In this case, the non-reflective area is arranged, or the plurality of individual non-reflective signals are arranged to be read relative to the weight in the holographic storage medium of the present invention, and the first source is not the first reference beam that hits the reflective layer. The process is tilted, so that the non-reflective area of the reflective layer. In the lyric, the brother shot is the reconstructed object beam encountered or repaired, does not violate the invention of the ^ ^ [Embodiment] in the holographic data storage, Syria k4 200805331 Body =, emits a beam 3, which is collimated by a collimating lens 4. The beam 3 is subdivided into a separate beam 7, 8. In this example, the beam 3 is split using the beam splitter 5. However, other optical components can also be used for this purpose ((4)) 6, and the two-beam, the so-called "object beam" 7, is printed out as a one-dimensional data pattern. The object beam 7 and the other beam, the so-called reference beam 8, are each focused on the holographic storage medium 1 by means of the objective lens 9, such as a hologram, a sheet or a card. At the intersection of the object beam 7 and the reference beam 8, an interference pattern appears, which is recorded on the photosensitive layer of the holographic storage medium 10. The recorded full image is illuminated only by the reference beam 8 and the stored data is recovered from the full LG 1G. The reference beam 8 is diffracted by the holographic structure, producing a copy of the original ' ΐ 7 'that is, the reconstructed beam 11 ° this reconstructed light * 11 with = 9 plus ? collimation ^ with the second spectroscope 12 guided in two dimensions The array detects an array such as an array. The array detector 13 is capable of displaying the recorded data map as the dish-shaped holographic storage medium of the present invention. The hologram is . Can make material #multi-work methods, such as shifting more _ or
m上得更高資料密度。全像儲存媒體1G包含反S 層26的主區，相當於全像圖記錄區，係以反= 3二1，位於全像圖21記錄區旁者，為透明、吸收性或 iif圖中此等區2〇以同心黑圈表示。同樣 ::例如各全像圖21有-長方形或圓形區。此 A 同樣可形成螺旋形，取代同心圓。透日月& 21 的寬度主要由參考光束8的隹％ u透明& 21 形光之束斷r以 的先幸’使先束8不會碰到反射層26，但透射貫穿 200805331 和基體材料27。參考絲8齡、點位於反射層％。此 ，持透_ 2。制、。在參考光束8義時，科再度通= 像儲存材料層24。所以，可避免此層24之失控昭明。 考光束8反射回來，透過全像儲存材料層24不會柃二 7，則不會記錄到資料，而儲存材料即廢棄，不再使^ 太 例中，提供透明區20避免茶考光束8反射回來通過全像儲 材料層24。然而，同樣可使用結構性面積，把彖考光& 導入不同方面，或是使贿㈣，魏參考光束8 21最好利用蝕刻製成。以吸收區而言，宜使用印刷製程。β ^ 物光束7在記錄之際傳播通過全像儲存媒體1〇，如 圖簡略表示。與參考絲8情況相反的是，物光束7利^ 射層26反射。在第3和4圖的實施例中，物光束7的光 直於全像儲存雜10表φ，醉考光束g的光_相對於表 面傾斜。然而，物光束7同樣可用傾斜光軸，而參考光束= 使用垂直光轴。在此情況下，透明區2〇配置在所記錄全 21下方。又一變通例是物光束7和參考光束8二者 斜光軸。 第5圖表示球形參考光束8和重構物光束η在讀出之際 的傳播。與參考光束11相反的是，重構物光束8是利用反身^ 層26加以反射。參考光束8經透射（或阻止）在重構物光束 η的，程外耦合。因此，不會擾亂重構物光束η之讀出。 第6圖表示全像儲存媒體1〇之斷面圖，其中透明區 在基體材料27内以V形凹點28實施。凹點旁，在隔離層25 和基體材料27之間，於反射層26無反射性塗膜。所以θ，參 考光束8在此位置透射。ν形凹點28的優點是容易製造，例 如在平面基體27上施加反射性塗膜，隨即銑成ν形凹溝或 凹點。然後，加其餘諸層。另外，已有V形凹溝的基體27， 可傾斜濺塗，使凹溝只有部份覆蓋反射層。 第7圖表示本發明長方形全像儲存媒體10之俯視圖。透 9 200805331 實小ϊ方形區20成排。各排透明區％同樣可紐合 2二*之透明區。以祕虛線長方形表示之全像圖，i 方向22沿透明長方形記錄。 知 【圖式簡單說明】 ，1圖簡略表示全像儲存系統内所用全 =圖為本發明全像餘存媒體之俯視圖；口口° ^圖為本發明全像儲存職之斷面圖； 弟4圖簡略表示在記錄 媒體； <Lt、物先束傳播通過全像餘存 播； 第5圖麵在㈣之際，參考縣和重構物光束之傳 【主要元件符號說明】 1 全像拾波器 3 光束 5 分光器 7 物光束 9 物鏡 11 重構物光束 13 陣列檢測器 21 全像圖 23 覆蓋層 25 隔離層 27 基體材料 2 4 6 8 10 12 20 22 24 26 28 雷射二極體 準直透鏡 空間光調變器 參考光束 全像儲存媒體 第二分光器 透明區 書寫方向 全像儲存材料厚 反射層 曰 V形凹點Higher data density on m. The holographic storage medium 1G includes the main area of the anti-S layer 26, which is equivalent to the hologram recording area, which is in the vicinity of the recording area of the hologram 21, in the transparent, absorptive or iif diagram. The equal area 2〇 is represented by a concentric black circle. Similarly: For example, each hologram 21 has a rectangular or circular area. This A can also form a spiral instead of a concentric circle. The width of the sun and the moon 21 is mainly determined by the 隹% u of the reference beam 8 and the beam of the 21-beam beam is broken. The first beam 8 does not touch the reflective layer 26, but the transmission runs through the 200805331 and the substrate. Material 27. The reference wire is 8 years old and the dot is located at the reflective layer %. This, hold through _ 2. system,. When the reference beam 8 is defined, the section is again connected to the image storage material layer 24. Therefore, the loss of control of this layer 24 can be avoided. The test beam 8 is reflected back, and the holographic storage material layer 24 will not be smashed by the second, so the data will not be recorded, and the stored material will be discarded, no longer in the case of the case, the transparent area 20 is provided to avoid the reflection of the tea test beam 8 Come back through the holographic reservoir layer 24. However, it is also possible to use a structured area to introduce the 彖光光& into a different aspect, or to make a bribe (4), the Wei reference beam 8 21 is preferably made by etching. In the case of an absorption zone, a printing process should be used. The β^ object beam 7 propagates through the holographic storage medium 1 at the time of recording, as shown in the figure. Contrary to the case of the reference wire 8, the object beam 7 is reflected by the layer 26. In the embodiment of Figs. 3 and 4, the light of the object beam 7 is stored directly to the hologram 10, and the light _ of the drunk beam g is inclined with respect to the surface. However, the object beam 7 can also be used to tilt the optical axis while the reference beam = use the vertical optical axis. In this case, the transparent area 2 is disposed below the recorded all 21. Yet another variation is the oblique optical axis of both the object beam 7 and the reference beam 8. Figure 5 shows the propagation of the spherical reference beam 8 and the reconstructed beam η as they are read. In contrast to the reference beam 11, the reconstructed beam 8 is reflected by the reflex layer 26. The reference beam 8 is transmitted (or blocked) in the path of the reconstructed beam η. Therefore, the reading of the reconstructed beam η is not disturbed. Fig. 6 is a cross-sectional view showing the hologram storage medium 1B in which the transparent region is implemented in the base material 27 by V-shaped pits 28. Next to the pit, there is no reflective coating on the reflective layer 26 between the spacer layer 25 and the substrate material 27. So θ, the reference beam 8 is transmitted at this position. The advantage of the v-shaped pits 28 is that it is easy to manufacture, for example by applying a reflective coating on the planar substrate 27, which is then milled into a v-shaped groove or pit. Then, add the rest of the layers. In addition, the base 27, which has a V-shaped groove, can be obliquely sputtered so that the groove only partially covers the reflective layer. Fig. 7 is a plan view showing the rectangular hologram storage medium 10 of the present invention. Through 9 200805331 Shi Xiaoying square area 20 rows. Each row of transparent areas can also be a transparent area of 2 2*. The hologram is represented by a dashed rectangle, and the i direction 22 is recorded along a transparent rectangle. Know [simplified description of the schema], 1 diagram briefly shows the full-image used in the holographic storage system is the top view of the holographic residual media of the present invention; the mouth is the cross-sectional view of the holographic storage of the invention; 4 is abbreviated in the recording medium; <Lt, the first beam is transmitted through the hologram; the fifth picture is at (4), the reference to the county and the reconstructed beam is transmitted [main symbol description] 1 hologram Pickup 3 Beam 5 Beam splitter 7 Object beam 9 Objective lens 11 Reconstruction beam 13 Array detector 21 Full image Figure 23 Cover layer 25 Isolation layer 27 Matrix material 2 4 6 8 10 12 20 22 24 26 28 Laser diode Body collimating lens spatial light modulator reference beam holographic storage medium second beam splitter transparent area writing direction full image storage material thick reflective layer 曰 V-shaped pit